input-maxlength-valid-change.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

  <!-- Test: input with maxlength is valid if the user edits and it's not too long -->

  <head>

    <style>

      :valid { background-color:green; }

      :invalid { background-color:red; }

      * { background-color:white; }

    </style>

    <script src="/tests/SimpleTest/EventUtils.js"></script>

    <script>

      function runTest() {

        var input = document.getElementById('input');

        input.setSelectionRange(input.value.length, input.value.length)

        input.focus();

        synthesizeKey("KEY_Backspace"); // so that it becomes invalid first

        input.blur();

        input.focus();

        synthesizeKey("KEY_Backspace");

        input.blur(); // to hide the caret

        document.documentElement.className='';

    </script>

  </head>

  <body onload="runTest()">

    <input id="input" maxlength="3" value="foooo">

  </body>

</html>